20-21 (bizhub C4050i/C3350i)
Contents
| JAM type | Misfeed at vertical transport section (When PF-P20 or PF-P21 is installed) |
| JAM code | 20-21 |
| JAM detection timing | The leading edge of the paper is not turned ON (unblocked) the tray 2 transport sensor (PS6/2) even after the lapse of a given period of time after the tray 3 starts to feed paper. (bizhub C4050i only) |
| – | Paper jam of a sheet of paper left at the vertical transport section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. |
| Misfeed processing location | • Right door • Tray 2 right door • Tray 3 right door |
| Relevant parts | • Main motor (M1) • Tray 2 drive motor (M1/2) • Tray 3 drive motor (M1/3) • Registration clutch (CL4) • Tray 2 transport clutch (CL2/2) • Tray 3 transport clutch (CL2/3) • Registration sensor (PS9) • Tray 2 transport sensor (PS6/2) • Tray 3 transport sensor (PS6/3) • Base board (BASEB) • Tray 2 PC control board (PCCB/2) • Tray 3 PC control board (PCCB/3) |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS9 I/O check, sensor check | BASEB CN22EA-13 (ON) | 13-C |
| 3 | PS6/2, PS6/3 I/O check, sensor check | PCCB/2 CN3-3 (ON)PCCB/3 CN3-3 (ON) | 17-X |
| 4 | CL4 load checkCheck code: 21Multi code: 3 | BASEB CN22EA-3 (ON) | 12-C |
| 5 | CL2/2, CL2/3 load checkCheck code: 21Multi code: 1, 2 | PCCB/2 CN5-1 (ON)PCCB/3 CN5-1 (ON) | 15-P |
| 6 | M1 load check (Main body)Check code: 40Multi code: 1, 2 | BASEB CN17E-1 to 5 | 1-C |
| 7 | M1/2, M1/3 load checkCheck code: 28Multi code: 1, 2, 3, 4 | PCCB/2 CN4-1 to 7PCCB/3 CN4-1 to 7 | 18-P |
| 8 | Replace PCCB/2 or PCCB/3. (PF-P20 Part# Not sold in the U.S. / PF-P21 Part# AAJUH00100) | – | – |
| 9 | Replace BASEB. (Part# A93EH02007) | – | – |
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
L.1.6.1 (Link to the Field Service Manual)